ArticleThe New phytologist2021
Root growth responses to mechanical impedance are regulated by a network of ROS, ethylene and auxin signalling in Arabidopsis.
Article in The New phytologist, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.
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Who cites it
27 citing papers in PubMed, 69 citations in OpenAlex.
- Histone deacetylase complex 1 modulates sepal length through the ethylene-ROS module.Plant cell reports · 2026Article
- Response of plant roots to mechanical environmental stimuli.Horticulture research · 2026Article
- When two become one: perceptual completion in pea plants.Plant signaling & behavior · 2025Article
- Seeing the unseen: A novel approach to extract latent plant root traits from digital images.Plant phenomics (Washington, D.C.) · 2025Article
- To grow or not to grow: the enigma of plant root growth dynamism.Plant molecular biology · 2025Review
- Hydraulic Properties of a Rock-Soil-Root System: Insights From Fraxinus ornus L. Saplings Growing on Different Carbonate Rocks.Plant, cell & environment · 2025Article
- Review
- A single viral amino acid shapes the root system architecture of a plant host upon virus infection.BMC microbiology · 2024Article
- Alfalfa Responses to Intensive Soil Compaction: Effects on Plant and Root Growth, Phytohormones and Internal Gene Expression.Plants (Basel, Switzerland) · 2024Article
- Review
- Phosphorylation of ADAPTOR PROTEIN-2 μ-adaptin by ADAPTOR-ASSOCIATED KINASE1 regulates the tropic growth of Arabidopsis roots.The Plant cell · 2023Article
- The Roles of Hormone Signals Involved in Rhizosphere Pressure Response Induce Corm Expansion inInternational journal of molecular sciences · 2023Article
- Article
- Mechanical Stimulation Decreases Auxin and Gibberellic Acid Synthesis but Does Not Affect Auxin Transport in Axillary Buds; It Also Stimulates Peroxidase Activity inMolecules (Basel, Switzerland) · 2023Article
- HPlant, cell & environment · 2023Review
- Review
- Functional implications of multiseriate cortical sclerenchyma for soil resource capture and crop improvement.AoB PLANTS · 2022Review
- ROOT PENETRATION INDEX 3, a major quantitative trait locus associated with root system penetrability in Arabidopsis.Journal of experimental botany · 2022Article
- How do plant roots overcome physical barriers?Journal of experimental botany · 2022Article
- Spatial origin of the extracellular ATP-induced cytosolic calcium signature in Arabidopsis thaliana roots: wave formation and variation with phosphate nutrition.Plant biology (Stuttgart, Germany) · 2022Article
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Authors and funding
5 authors at 2 institutions in 3 countries.
Funding
Abstract
The growth and development of root systems is influenced by mechanical properties of the substrate in which the plants grow. Mechanical impedance, such as by compacted soil, can reduce root elongation and limit crop productivity. To understand better the mechanisms involved in plant root responses to mechanical impedance stress, we investigated changes in the root transcriptome and hormone signalling responses of Arabidopsis to artificial root barrier systems in vitro. We demonstrate that upon encountering a barrier, reduced Arabidopsis root growth and a characteristic 'step-like' growth pattern is due to a reduction in cell elongation associated with changes in signalling gene expression. Data from RNA-sequencing combined with reporter line and mutant studies identified essential roles for reactive oxygen species, ethylene and auxin signalling during the barrier response. We propose a model in which early responses to mechanical impedance include reactive oxygen signalling integrated with ethylene and auxin responses to mediate root growth changes. Inhibition of ethylene responses allows improved growth in response to root impedance, an observation that may inform future crop breeding programmes.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.